12003131312201 has 4 divisors (see below), whose sum is σ = 12003537278100. Its totient is φ = 12002725346304.

The previous prime is 12003131312147. The next prime is 12003131312219. The reversal of 12003131312201 is 10221313130021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1955245686601 + 10047885625600 = 1398301^2 + 3169840^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003131312201 - 2³⁴ = 11985951443017 is a prime.

It is a super-2 number, since 2×12003131312201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12003131311201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202938596 + ... + 202997733.

It is an arithmetic number, because the mean of its divisors is an integer number (3000884319525).

Almost surely, 2^{12003131312201} is an apocalyptic number.

It is an amenable number.

12003131312201 is a deficient number, since it is larger than the sum of its proper divisors (405965899).

12003131312201 is an equidigital number, since it uses as much as digits as its factorization.

12003131312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405965898.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12003131312201 its reverse (10221313130021), we get a palindrome (22224444442222).

The spelling of 12003131312201 in words is "twelve trillion, three billion, one hundred thirty-one million, three hundred twelve thousand, two hundred one".